57 Acorn Ln, Boulder, CO 80304 Property Records

Boulder County property record for 57 Acorn Ln, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.25 ba · 3,903 sqft · built 1973
Lot Size	1.95 acres (85,240 sqft)
Owner	2 Individual Names on File
Last Sale	$1,770,000 (Apr 2021)
Tax Bill	$12,260 (2025)
Deeds & Mortgages	Mar 2021 Line of Credit Apr 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-24-2-01-003`

Property Details

APN / Parcel Number

Primary APN	`1461-24-2-01-003`
Alternative APNs	`R0034984` `0034984`

Interior

Bedrooms	4 Beds
Full Baths	2.25 Baths
Half Baths	2 Half Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	3,903 sqft Living Area
1st Floor Area	2,274 sqft
Upper Floors Area	870 sqft
Basement Area	759 sqft
Finished Basement	759 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1973
Effective Year Built	Effective 2005
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	85,240 sqft
Garage Type	Detached
Garage Area	768 sqft
Parking Spaces	3 Parking Spaces
Deck Area	365 sqft
Patio Area	1,021 sqft

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0034984
Street Address	57 ACORN LN
City	BOULDER
State	CO
Zip	80304-0490
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 271 PINE BROOK HILLS 5
Legal Range	71
Legal Township	1N
Legal Section	24
Legal Subdivision	PINE BROOK HILLS 5
Legal Block	2
Legal Lot Number	271
Jurisdiction	BOULDER CO
Township / Civil Division	BALD MOUNTAIN
Census Block Group	2
Census Block	2005
Census Tract	13704

Owner

57 Acorn Ln is owned and occupied by two individuals who bought it in April 2021.

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

Owner of Record	2 Individual Names on File
Mailing Address	57 ACORN LN, BOULDER, CO 80304-0490
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
Mar 1, 2021	Deed of Trust, Mortgage · Line of Credit ZB NA
Apr 19, 2021	Special Warranty Deed, Transfer · Conventional Mortgage PRIMELENDING

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 19, 2021 · Amount on File
Deed Sale	Apr 19, 2021 · Amount on File
Prior Sale	Jul 6, 2016 · Amount on File
Deed Document Number	20213877769
Record Updated	Oct 29, 2026

March 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	57 ACORN LN, BOULDER, CO 80304-0490
Transaction Type	Mortgage
Record Updated	Mar 31, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003862897
Date	Mar 1, 2021
Instrument	3862897

Lender

Name	ZB NA
Type	Bank
Address	DENVER, CO 80222

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

April 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 19, 2021
Property Address	57 ACORN LN, BOULDER, CO 80304-0490
Document Number	0003877769
Instrument Date	Apr 6, 2021
Instrument	3877769
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$177.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	57 ACORN LANE, 57, ATLANTA, GA 30304

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	57 ACORN LANE, ATLANTA, GA 30304

Mortgage

Document Number	0003877770
Date	Apr 19, 2021
Instrument	3877770

Lender

Name	PRIMELENDING
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2051

Tax Assessment & Valuation

The 2025 property tax bill for 57 Acorn Ln was $12,260.

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$129,390 (+4.94%) Land $22,616 Building $106,774	$1,972,800 (-) Land $402,600 Building $1,570,200
2025	$12,260.00	$123,301 Land $25,163 Building $98,138	$1,972,800 Land $402,600 Building $1,570,200
2023	$13,111.00 (+26.23%)	$149,189 (+41.21%) Land $27,571 Building $121,618	$2,226,700 (+46.47%) Land $411,500 Building $1,815,200
2022	$10,387.00	$105,654 Land $22,400 Building $83,254	$1,520,200 Land $322,300 Building $1,197,900

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 57 Acorn Ln in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2013.

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
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	1 (2013)
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides

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 57 Acorn Ln is very high, ranking above 93% of the US, with a 1% annual chance of wildfire.

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

Wildfire Risk	Very High above 93% of the US · above 96% of Colorado
Wildfire Likelihood	1% annual chance
Exposure	Direct burnable vegetation

Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.

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	PINE BROOK HILLS WD serves 1,100 people · EPA ID CO0107610
Water Source	Surface water
Last State Inspection	Dec 2022
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 23 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	1,200 / 35
LiveWireNet Fixed Wireless	250 / 100

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Acorn Ln

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