1070 Union Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1070 Union Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,458 sqft · built 1935
Lot Size	0.161 acres (7,004 sqft)
Owner	Individual Name on Record
Last Sale	$915,000 (May 2021)
Tax Bill	$6,594 (2025)
Deeds & Mortgages	Oct 2020 Mortgage Feb 2020 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1461-13-1-05-003`

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-05-003`
Alternative APNs	`R0033651` `0033651`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,458 sqft Living Area
1st Floor Area	1,458 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1935
Effective Year Built	Effective 1990
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	7,004 sqft (0.161 acres)
Garage Area	240 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	54 sqft
Patio Area	60 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0033651
Street Address	1070 UNION AVE
City	BOULDER
State	CO
Zip	80304-0712
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	NELY 60 X 117 FT LOT 4 BLK 1 SHEETS 1
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	SHEETS 1 - BOV
Legal Block	1
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1018
Census Tract	12104

Owner

Source: Boulder County records, as of September 18, 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	1070 UNION AVE, BOULDER, CO 80304-0712
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Oct 1, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Feb 25, 2020	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
May 24, 2021	Warranty Deed, Transfer · Conventional Mortgage AMERICAN NEIGHBORHOOD MTG ACCEPTANC
Mar 15, 2019	Personal Representative Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	May 24, 2021 · Amount on Record
Deed Sale	May 24, 2021 · Amount on Record
Prior Sale	Mar 15, 2019 · Amount on Record
Deed Document Number	20213887580
Prior Transfer Date	May 25, 2001
Prior Transfer Doc	0002202486
Record Updated	Oct 29, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1070 UNION AVE, BOULDER, CO 80304-0712
Transaction Type	Mortgage
Record Updated	Mar 31, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003820293
Date	Oct 1, 2020
Instrument	3820293

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	4826

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 1, 2050

February 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1070 UNION AVE, BOULDER, CO 80304-0712
Transaction Type	Mortgage
Record Updated	Mar 31, 2022
Title Company	FIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003768054
Date	Feb 25, 2020
Instrument	3768054

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	349 Months
Due	Mar 1, 2049

May 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	May 24, 2021
Property Address	1070 UNION AVE, BOULDER, CO 80304-0712
Document Number	0003887580
Instrument Date	May 19, 2021
Instrument	3887580
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$91.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	1070 UNION AVE, 1070, BOULDER, CO 80304-0712

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1070 UNION AVE, BOULDER, CO 80304-0712

Mortgage

Document Number	0003887581
Date	May 24, 2021
Instrument	3887581

Lender

Name	AMERICAN NEIGHBORHOOD MTG ACCEPTANC
Type	Mortgage Company

Agreement

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

March 2019: Personal Representative Deed, Transfer

Document Type	Personal Representative Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 15, 2019
Property Address	1070 UNION AVE, BOULDER, CO 80304-0712
Document Number	0003702434
Instrument Date	Mar 13, 2019
Instrument	3702434
Transaction Type	Transfer
Record Updated	Mar 31, 2022

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$69.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	1070 UNION AVE, BOULDER, CO 80304-0712

Mortgage

Document Number	0003702435
Date	Mar 15, 2019
Instrument	3702435

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2049

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 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		$70,482 (+1.92%) Land $62,958 Building $7,524	$1,106,500 (-) Land $995,850 Building $110,650
2025	$6,594.00 (+3.52%)	$69,157 (-10.71%) Land $62,241 Building $6,916	$1,106,500 (-4.28%) Land $995,850 Building $110,650
2023	$6,370.00 (+23.4%)	$77,452 (+39.32%) Land $68,025 Building $9,427	$1,156,000 (+44.52%) Land $1,015,300 Building $140,700
2022	$5,162.00	$55,593 Land $50,034 Building $5,559	$799,900 Land $719,910 Building $79,990

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 minimal risk
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 58 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	63 units insured incl. 5 condo units
Nearby Flood Claims	14 (2013–2015)
Claims Outside the SFHA	6 of 14
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 13 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	Moderate above 64% of the US · above 54% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach

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 460 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, CenturyLink.

Cell Coverage

5G (outdoors only) and 4G LTE

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