3155 Stanford Ave, Boulder, CO 80305 Property Records

Boulder County property record for 3155 Stanford Ave, Boulder, CO 80305

Property Summary

Property Type	Single Family Home
Details	5 bd · 5 ba · 4,984 sqft · built 2018
Lot Size	0.444 acres (19,317 sqft)
Owner	2 Individual Names on File
Last Sale	$3,180,000 (May 2021)
Tax Bill	$19,156 (2025)
Deeds & Mortgages	May 2021 Sale & Mortgage Oct 2018 Sale
Flood Zone	Zone X (minimal risk)
APN	`1577-05-3-28-002`

Property Details

APN / Parcel Number

Primary APN	`1577-05-3-28-002`
Alternative APNs	`R0012661` `0012661`

Interior

Bedrooms	5 Beds
Full Baths	5 Baths
Half Baths	3 Half Baths
Total Rooms	11 Rooms
Stories	1 Story
Building Area	4,984 sqft Living Area
Gross Area	5,703 sqft
1st Floor Area	1,834 sqft
Upper Floors Area	1,396 sqft
Basement Area	1,889 sqft
Finished Basement	1,754 sqft
Unfinished Basement	135 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2018
Effective Year Built	Effective 2018
Architectural Style	Ranch
Exterior Material	Combination
Construction Type	Frame
Roof Material	Asphalt
Lot Area	19,317 sqft (0.444 acres)
Garage Type	Attached
Garage Area	584 sqft
Porch	Porch
Porch Area	198 sqft
Deck Area	459 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0012661
Street Address	3155 STANFORD AVE
City	BOULDER
State	CO
Zip	80305-5344
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 HIGHLAND PARK 7
Legal Range	70
Legal Township	1S
Legal Section	05
Legal Subdivision	HIGHLAND PARK 7 - BO
Legal Block	2
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2028
Census Tract	12505

Owner

3155 Stanford Ave is owned and occupied by two individuals who bought it in May 2021.

Source: Boulder County records, as of September 18, 2026

Owner of Record	2 Individual Names on File
Mailing Address	3155 STANFORD AVE, BOULDER, CO 80305-5344
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
May 3, 2021	Warranty Deed, Transfer · Conventional Mortgage FIRST REPUBLIC BANK
Oct 25, 2018	Grant Deed, Transfer LAND TITLE GUARANTEE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 3, 2021 · Amount on File
Deed Sale	May 3, 2021 · Amount on File
Prior Sale	Oct 25, 2018 · Amount on File
Deed Document Number	20213881584
Prior Transfer Date	Dec 20, 2010
Prior Transfer Doc	0003122796
Record Updated	Oct 29, 2026

May 2021: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	May 3, 2021
Property Address	3155 STANFORD AVE, BOULDER, CO 80305-5344
Document Number	0003881584
Instrument Date	Apr 27, 2021
Instrument	3881584
Transaction Type	Transfer
Record Updated	May 19, 2021
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$318.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3155 STANFORD AVE, BOULDER, CO 80305-5344

Mortgage

Document Number	0003881585
Date	May 3, 2021
Instrument	3881585

Lender

Name	FIRST REPUBLIC BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	May 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.5%
Adjustable	Adjustable Rate Rider
Type Change Date	May 1, 2031
Change Frequency	Monthly
Index	1-Year CMT
Max Rate	10.9%

October 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 25, 2018
Property Address	3155 STANFORD AVE, BOULDER, CO 80305-5344
Document Number	0003682912
Instrument Date	Oct 23, 2018
Instrument	3682912
Transaction Type	Transfer
Record Updated	Nov 2, 2018
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount on Record
Tax	$83.60
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	3358 VISTA DR BOULDER CO 803042325, BOULDER, CO 80304-2325

Tax Assessment & Valuation

The 2025 property tax bill for 3155 Stanford Ave was $19,156.

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		$213,833 (+6.43%) Land $112,227 Building $101,606	$3,214,600 (-) Land $1,720,400 Building $1,494,200
2025	$19,156.00	$200,913 Land $107,525 Building $93,388	$3,214,600 Land $1,720,400 Building $1,494,200
2023	$18,765.00 (+26.47%)	$220,986 (+38.31%) Land $114,523 Building $106,463	$3,298,300 (+43.47%) Land $1,709,300 Building $1,589,000
2022	$14,837.00	$159,781 Land $84,797 Building $74,984	$2,299,000 Land $1,220,100 Building $1,078,900

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

FEMA maps place 3155 Stanford Ave in Zone X, an area of minimal flood risk, though there have been 17 flood claims nearby since 1980.

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
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 34 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	34 in force
Nearby Flood Claims	17 (1980–2015)
Claims Outside the SFHA	7 of 17
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 11 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

Wildfire risk around 3155 Stanford Ave is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 53% of the US · lower than 63% of Colorado
Wildfire Likelihood	0.1% 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 515 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 · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T.

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