510 Juniper Ave, Boulder, CO 80304 Property Records

Boulder County property record for 510 Juniper Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	5 bd · 5.25 ba · 5,972 sqft · built 2019
Lot Size	0.491 acres (21,407 sqft)
Owner	Individual Name on Record
Last Sale	$5,900,000 (Oct 2020)
Tax Bill	$32,087 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Oct 2020 Sale & Second Mortgage + 3 more
Flood Zone	Zone X (moderate risk)
APN	`1461-24-1-00-090`

Property Details

APN / Parcel Number

Primary APN	`1461-24-1-00-090`
Alternative APNs	`R0006189` `0006189`

Interior

Bedrooms	5 Beds
Full Baths	5.25 Baths
Half Baths	6 Half Baths
Total Rooms	11 Rooms
Stories	1 Story
Building Area	5,972 sqft Living Area
Gross Area	6,916 sqft
1st Floor Area	1,743 sqft
Upper Floors Area	2,561 sqft
Basement Area	1,884 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2019
Effective Year Built	Effective 2019
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Metal
Lot Area	21,407 sqft (0.491 acres)
Garage Type	Attached
Garage Area	728 sqft
Parking Spaces	3 Parking Spaces
Porch	Porch
Porch Area	142 sqft
Deck Area	204 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0006189
Street Address	510 JUNIPER AVE
City	BOULDER
State	CO
Zip	80304-1718
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TR 391 & 391A & 391B & 391D1 BO TRS 24-1N-71 AKA TR A PER LOT LINE ADJ 5/91 1104811
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	TR, NBR 128,158,172-178 FOOTHILLS
Legal Tract	391,24,A
Legal Block	2
Legal Lot Number	LINE
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2008
Census Tract	12101

Owner

Source: Boulder County records, as of August 12, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	510 JUNIPER AVE, BOULDER, CO 80304-1718
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage FIRSTBANK
Oct 13, 2020	Special Warranty Deed, Transfer · Stand-Alone Second Mortgage FLATIRONS BANK
Jun 17, 2020	Loan Modification, Mortgage · Line of Credit GREAT WSTRN BK
Jul 1, 2019	Warranty Deed, Transfer FNTG NCS COLORADO
Nov 20, 2017	Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 13, 2020 · Amount on Record
Deed Sale	Oct 13, 2020 · Amount on Record
Prior Sale	Jul 1, 2019 · Amount on Record
Deed Document Number	20203823563
Prior Transfer Date	Jun 28, 2019
Prior Transfer Doc	0003721499
Record Updated	Sep 20, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	510 JUNIPER AVE, BOULDER, CO 80304-1718
Transaction Type	Mortgage
Record Updated	May 30, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	510 JUNIPER AVE, BOULDER, CO 80304-1718

Mortgage

Document Number	0003922618
Date	Oct 21, 2021
Instrument	3922618

Lender

Name	FIRSTBANK
Type	Bank
Address	DENVER, CO 80215

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

October 2020: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 13, 2020
Property Address	510 JUNIPER AVE, BOULDER, CO 80304-1718
Document Number	0003823563
Instrument Date	Oct 9, 2020
Instrument	3823563
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$590.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	510 JUNIPER AVENUE, 510, ARRIBA, CO 80804

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	510 JUNIPER AVENUE, ARRIBA, CO 80804

Mortgage

Document Number	0003823566
Date	Oct 13, 2020
Instrument	3823566

Lender

Name	FLATIRONS BANK
Type	Bank
Address	BOULDER, CO 80302

Agreement

Type	Stand-Alone Second Mortgage
Amount	Amount Recorded
Term	36 Months
Due	Oct 9, 2023

Interest

Rate Type	Adjustable Rate

June 2020: Loan Modification, Mortgage

Document Type	Loan Modification
Jurisdiction	BOULDER CO
Property Address	510 JUNIPER AVE, BOULDER, CO 80304-1718
Document Number	0003796551
Instrument Date	Jun 17, 2020
Transaction Type	Mortgage
Record Updated	Aug 21, 2020
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1085 PEARL ST #205 BOULDER CO 80302, 205, BOULDER, CO 80302

Mortgage

Document Number	0003796551
Date	Jul 7, 2020
Instrument	3796551

Lender

Name	GREAT WSTRN BK
Type	Federal Savings Bank
Address	BOULDER, CO 80302

Agreement

Type	Line of Credit
Term	12 Months
Due	Jul 6, 2021

Interest

Rate Type	Adjustable Rate

July 2019: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 1, 2019
Property Address	510 JUNIPER AVE, BOULDER, CO 80304-1718
Document Number	0003721499
Map Reference	DOC 1104811
Instrument Date	Jun 28, 2019
Instrument	3721499
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	FNTG NCS COLORADO

Transaction

Amount	Amount Recorded
Tax	$175.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1035 PEARL ST STE 205, 205, BOULDER, CO 80302-5156

November 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	510 JUNIPER AVE, BOULDER, CO 80304-1718
Document Number	0003630025
Instrument Date	Nov 20, 2017
Transaction Type	Mortgage
Record Updated	Jan 3, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	1035 PEARL ST #205 BOULDER CO 803025156, 205, BOULDER, CO 80302-5156

Mortgage

Document Number	0003630025
Date	Dec 8, 2017
Instrument	3630025

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301-9004

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$366,139 (+8.8%) Land $172,638 Building $193,501	$5,384,400 (-) Land $2,538,800 Building $2,845,600
2025	$32,087.00 (+1.98%)	$336,525 (-8.56%) Land $158,675 Building $177,850	$5,384,400 (-1.97%) Land $2,538,800 Building $2,845,600
2023	$31,463.00 (+15.44%)	$368,018 (+25.39%) Land $173,175 Building $194,843	$5,492,800 (+30.07%) Land $2,584,700 Building $2,908,100
2022	$27,255.00	$293,499 Land $124,975 Building $168,524	$4,223,000 Land $1,798,200 Building $2,424,800

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 63 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	63 in force
Nearby Flood Claims	25 (1990–2026)
Claims Outside the SFHA	17 of 25
Most Recent Claim	Jun 2026 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 16 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	High above 76% of the US · above 76% of Colorado
Wildfire Likelihood	0.6% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 431 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100

May also be available: T-Mobile.

Cell Coverage

5G (outdoors only) and 4G LTE

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